| Silver bullet or fools' gold?: a global review of markets for forest environmental services and their impact on the poor N Landell-Mills, IT Porras International Institute for Environment and Development 40, 236-250, 2002 | 1634* | 2002 |
| How can market mechanisms for forest environmental services help the poor? Preliminary lessons from Latin America M Grieg-Gran, I Porras, S Wunder World development 33 (9), 1511-1527, 2005 | 702 | 2005 |
| All that glitters: A review of payments for watershed services in developing countries IT Porras, M Grieg-Gran, N Neves IIED, 2008 | 338 | 2008 |
| The social impacts of payments for environmental services in Costa Rica: a quantitative field survey and analysis of the Virilla watershed M Miranda, IT Porras, ML Moreno Iied, 2003 | 293 | 2003 |
| Diarrhoea and effects of different water sources, sanitation and hygiene behaviour in East Africa JK Tumwine, J Thompson, M Katua‐Katua, M Mujwajuzi, N Johnstone, ... Tropical Medicine & International Health 7 (9), 750-756, 2002 | 255 | 2002 |
| Drawers of water II: 30 years of change in domestic water use & environmental health in east Africa. Summary J Thompson Iied, 2001 | 253 | 2001 |
| Learning from 20 years of payments for ecosystem services in Costa Rica I Porras, DN Barton, M Miranda, A Chacón-Cascante International Institute for Environment and Development., 2013 | 167 | 2013 |
| Waiting at the tap: changes in urban water use in East Africa over three decades J Thompson, IT Porras, E Wood, JK Tumwine, MR Mujwahuzi, ... Environment and Urbanization 12 (2), 37-52, 2000 | 157 | 2000 |
| Linking biodiversity conservation and poverty reduction: de‐polarizing the conservation‐poverty debate D Roe, EY Mohammed, I Porras, A Giuliani Conservation Letters 6 (3), 162-171, 2013 | 63 | 2013 |
| Fair and green?: social impacts of payments for environmental services in Costa Rica I Porras IIED, 2010 | 63 | 2010 |
| Sanitation and hygiene in urban and rural households in East Africa J Tumwine, J Thompson, M Katui-Katua, M Mujwahuzi, N Johnstone, ... International journal of environmental health research 13 (2), 107-115, 2003 | 63 | 2003 |
| Monitoring payments for watershed services schemes in developing countries P Ina, A Bruce, D Jeff | 58 | 2013 |
| Payments for Ecosystem Services as a Policy Mix: Demonstrating the institutional analysis and development framework on conservation policy instruments DN Barton, K Benavides, A Chacon‐Cascante, JF Le Coq, MM Quiros, ... Environmental Policy and Governance 27 (5), 404-421, 2017 | 52 | 2017 |
| Economic Incentives for Watershed Protection: A case study of Lake Arena, Costa Rica B Aylward, J Echeverría, AF González, I Porras, K Allen, R Mejías IIED, 1998 | 45 | 1998 |
| Forest and Water Policies. The need to reconcile public and science perceptions I Calder, JM Amezaga, B Aylward, J Bosch, L Fuller, K Gallop, A Gosain, ... Geologica Acta, 157-166, 2004 | 43 | 2004 |
| Valorando los servicios ambientales de protección de cuencas: consideraciones metodológicas I Porras Foro Regional Sistemas de Pago por Servicios Ambientales en Cuencas …, 2003 | 41 | 2003 |
| Modifying national accounts for sustainable ocean development EP Fenichel, ET Addicott, KM Grimsrud, GM Lange, I Porras, B Milligan Nature Sustainability 3 (11), 889-895, 2020 | 40 | 2020 |
| Power, profits and payments for ecosystem services in Hilsa fisheries in Bangladesh: a value chain analysis I Porras, EY Mohammed, L Ali, MS Ali, MB Hossain Marine Policy 84, 60-68, 2017 | 39 | 2017 |
| Harnessing employment-based social assistance programmes to scale up nature-based climate action A Norton, N Seddon, A Agrawal, C Shakya, N Kaur, I Porras Philosophical Transactions of the Royal Society B 375 (1794), 20190127, 2020 | 32 | 2020 |
| Can payments for environmental services contribute to poverty reduction? A livelihoods analysis from Arenal, Costa Rica RA Hope, IT Porras, M Miranda International Institute for Environment and Development, London, UK, 2005 | 28 | 2005 |
